Thermostat lock box



FIG. 1 is a front perspective view of a thermostat lock box showing my new design;

FIG. 2 is a front elevational view of a thermostat lock box thereof;

FIG. 3 is a rear elevational view of a thermostat lock box thereof;

FIG. 4 is a right side elevational view of a thermostat lock box thereof;

FIG. 5 is a left side elevational view of a thermostat lock box thereof;

FIG. 6 is a top plan view of a thermostat lock box thereof;

FIG. 7 is a bottom plan view of a thermostat lock box thereof; and,

FIG. 8 is a front perspective view of a thermostat lock box in open position. 

The ornamental design for a thermostat lock box, as shown and described. 